S
M
T
W
T
F
S
30
90°
67°
31
93°
73°
1
97°
73°
2
96°
75°
3
95°
73°
4
97°
73°
5
86°
70°
6
85°
66°
7
84°
65°
8
85°
61°
9
88°
63°
10
94°
70°
11
86°
73°
12
85°
72°
13
85°
73°
14
84°
61°
15
80°
57°
16
84°
61°
17
90°
69°
18
86°
66°
19
81°
64°
20
85°
66°
21
82°
65°
22
79°
65°
23
76°
64°
24
81°
61°
25
76°
58°
26
78°
54°
27
76°
56°
28
78°
58°
29
79°
54°
30
77°
57°
1
73°
56°
2
78°
59°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Richmond
Richmond's September 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 54° and 69°. The average high for September is 80° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Richmond. See also: October | November | December.
